Firearm muzzle silencer

Details Firearm muzzle silencer Firearm muzzle silencer

1990-04-16

1991-07-09

Kyle, Deborah L.

Ordnance

Barrels

Silencers

181223, 181280, F41A 2130

Patent

active

050295128

ABSTRACT:
A silencer or noise suppressor for firearms consisting of an elongated body connected to the firearm muzzle into which the expanding gases and projectile are received. The expanding gases are initially received within a chamber and pass through ports defined in a deceleration plate into a chamber communicating with a plurality of baffles arranged in end-to-end relationship. The baffles each include a diverging bore through which the gases may expand, and externally, each baffle includes a spiral vane receiving the expanding and cooling gases. The vanes of adjacent baffles are in communication whereby gas back-pressure within portions of the vanes cause localized gas compression slowing gas expansion and the generation of audible frequencies.

REFERENCES:
patent: 916885 (1909-03-01), Maxim
patent: 1017003 (1912-02-01), Kenney
patent: 1341363 (1920-05-01), Fiala
patent: 2792760 (1957-05-01), Hammer
patent: 2925755 (1960-02-01), Krus
patent: 3500955 (1970-03-01), Werbell
patent: 3667570 (1972-06-01), Werbell
patent: 3748956 (1973-07-01), Hubner
patent: 4291610 (1981-09-01), Waiser
patent: 4576083 (1986-03-01), Seberger, Jr.
patent: 4588043 (1986-05-01), Finn

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